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RZW331M1VBK-1016S Equivalent & Substitute Parts
Part Overview
The RZW331M1VBK-1016S is a 330 µF, 35 V aluminum electrolytic capacitor manufactured by SURGE in radial, can package configuration. This component is rated for 7000 hours of operation at 105°C and is designed for general-purpose applications requiring reliable energy storage and filtering. The part maintains Active product status with full RoHS3 compliance.
Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity. Alternative components must satisfy identical electrical specifications, mechanical dimensions, and performance ratings to ensure direct interchangeability without circuit redesign.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Capacitance | 330 | µF |
| Voltage - Rated | 35 | V |
| Tolerance | ±20% | - |
| Lifetime @ Temperature | 7000 Hrs @ 105°C | - |
| Operating Temperature Range | -40°C ~ 105°C | - |
| Ripple Current @ High Frequency | 1.21 | A @ 100 kHz |
| Impedance | 60 | mOhms |
| Lead Spacing | 0.197" | (5.00 mm) |
| Size / Dimension | 0.394" Dia | (10.00 mm) |
| Height - Seated (Max) | 0.689" | (17.50 mm) |
| Mounting Type | Through Hole | - |
| Package / Case | Radial, Can | - |
| Polarization | Polar | - |
| RoHS Status | ROHS3 Compliant | - |
Substitute Part Grouping Explanation
Substitution of the RZW331M1VBK-1016S is determined by strict equivalence across the following critical parameters:
Electrical Equivalence Criteria:
- Capacitance value: 330 µF (exact match required)
- Rated voltage: 35 V (exact match required)
- Tolerance: ±20% (exact match required)
- Ripple current capability: 1.21 A @ 100 kHz (exact match required)
- Impedance: 60 mOhms (exact match required)
- Lifetime rating: 7000 Hrs @ 105°C (exact match required)
- Operating temperature range: -40°C ~ 105°C (exact match required)
Mechanical Equivalence Criteria:
- Package type: Radial, Can (exact match required)
- Lead spacing: 0.197" (5.00 mm) (exact match required)
- Diameter: 0.394" (10.00 mm) (exact match required)
- Height: 0.689" (17.50 mm) maximum (exact match required)
- Mounting type: Through Hole (exact match required)
Compliance Equivalence Criteria:
- RoHS3 Compliant status (required for regulatory compatibility)
- Polarization: Polar (exact match required)
The substitute part EKY-350ELL331MJ16S from Chemi-Con satisfies all electrical, mechanical, and compliance criteria for direct substitution.
Parameter Comparison
| Parameter | RZW331M1VBK-1016S (SURGE) | EKY-350ELL331MJ16S (Chemi-Con) | Match Status |
|---|---|---|---|
| Capacitance | 330 µF | 330 µF | Exact Match |
| Voltage - Rated | 35 V | 35 V | Exact Match |
| Tolerance | ±20% | ±20% | Exact Match |
| Lifetime @ Temperature | 7000 Hrs @ 105°C | 7000 Hrs @ 105°C | Exact Match |
| Operating Temperature Range | -40°C ~ 105°C | -40°C ~ 105°C | Exact Match |
| Ripple Current @ High Frequency | 1.21 A @ 100 kHz | 1.21 A @ 100 kHz | Exact Match |
| Impedance | 60 mOhms | 60 mOhms | Exact Match |
| Lead Spacing | 0.197" (5.00 mm) | 0.197" (5.00 mm) | Exact Match |
| Size / Dimension | 0.394" Dia (10.00 mm) | 0.394" Dia (10.00 mm) | Exact Match |
| Height - Seated (Max) | 0.689" (17.50 mm) | 0.689" (17.50 mm) | Exact Match |
| Mounting Type | Through Hole | Through Hole | Exact Match |
| Package / Case | Radial, Can | Radial, Can | Exact Match |
| Polarization | Polar | Polar | Exact Match |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Exact Match |
Engineering Selection Recommendations
The EKY-350ELL331MJ16S from Chemi-Con is a direct equivalent to the RZW331M1VBK-1016S. Both components are Active products with full RoHS3 compliance and REACH unaffected status. Selection between these parts is based on availability, lead time, and procurement requirements rather than technical performance differences.
Both parts satisfy identical electrical performance specifications, mechanical dimensions, and environmental operating conditions. The substitute part maintains the same ripple current capability, impedance characteristics, and thermal lifetime rating. Through-hole mounting compatibility and radial can package configuration are identical across both components.
Frequently Asked Questions (FAQ)
Q: Can the EKY-350ELL331MJ16S replace the RZW331M1VBK-1016S in existing designs?
A: Yes. The EKY-350ELL331MJ16S is a direct equivalent with identical electrical specifications, mechanical dimensions, and performance ratings. No circuit modifications or PCB layout changes are required.
Q: Are the lead spacing and physical dimensions identical?
A: Yes. Both components feature 0.197" (5.00 mm) lead spacing, 0.394" (10.00 mm) diameter, and 0.689" (17.50 mm) maximum height. Direct PCB footprint compatibility is confirmed.
Q: Do both parts meet the same compliance requirements?
A: Yes. Both the RZW331M1VBK-1016S and EKY-350ELL331MJ16S are RoHS3 compliant with identical regulatory status.
Q: Is the ripple current rating the same?
A: Yes. Both components are rated for 1.21 A ripple current at 100 kHz and 60 mOhms impedance.
Q: What is the thermal lifetime rating for both parts?
A: Both components are rated for 7000 hours of operation at 105°C with an operating temperature range of -40°C to 105°C.
Q: Are there any differences in the substitute part that would affect circuit performance?
A: No. All electrical parameters, mechanical specifications, and performance characteristics are identical between the main part and substitute.
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